Contaminated soil conveying device with preheating system

The utility model relates to the technical field of contaminated soil treatment, in particular to a contaminated soil conveying device with a preheating system, which not only can improve the uniformity of soil heating, but also can improve the soil preheating effect. Comprising a preheating box, an electric controller, two electric heating plates, a motor, a conveying assembly, a feeding hopper, a driven shaft, a driving belt wheel, a driven belt wheel, a belt and multiple sets of baffles, an access door is arranged at the top end of the preheating box, four sets of supporting legs are arranged at the bottom end of the preheating box, the electric controller is fixedly installed at the front end of the preheating box, and the two electric heating plates are installed on the inner wall of the preheating box; the input end of the electric heating plate is connected with the output end of the electric controller, the front end of the preheating box is provided with a rack, the motor is fixedly installed on the